Home / 3,289-4,932.06-1,900.84

Finding the Fourth Proportional to 3,289, 4,932.06 and 1,900.84

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Solution

The fourth proportional to 3,289, 4,932.06 and 1,900.84 is: 2,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289 : 4,932.06 = 1,900.84 : x
  2. Step 2: Convert to fraction form
    3,289/4,932.06 = 1,900.84/x
  3. Step 3: Cross multiply
    3,289x = 4,932.06 × 1,900.84
  4. Step 4: Simplify right side
    3,289x = 9,375,056.93
  5. Step 5: Solve for x
    x = 9,375,056.93/3,289
  6. Step 6: Final answer
    x = 2,850.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.